It is the intention to make an interface with the help of the 12 bit AD converter MAX186 with 8 analog channels, who must be connected with the serial port. The sensitivitiy is 8V by an impedance of + /- 100K. With further to discuss links (in Hardware) , volltage, temperature, stream, humidity, and so on can be measured.
It is also possible to make 8 exits, connected on the paralel port, to switch something on or off.
So far, in FB I have only a program to read one channel, and another program to switch four channels on a row.